Computer-Aided Drug Design at the Durrant Lab › Forums › POVME2 › Fail with smal GridSpacings and large radii
- This topic has 1 reply, 1 voice, and was last updated 1 year, 2 months ago by Jacob Durrant.
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- July 29, 2023 at 3:00 am #157102Thales do Valle MoreiraGuest
Does anyone know how to fix it? Or what is the problem I'm having? I'm a newbie.
I'm getting the following message when I try to use POVME with small grid spacings and large radii:
numpy.core._exceptions._ArrayMemoryError: unable to allocate 9 GiB for an array with shape (37910, 37910) and data type float64error
See a sample of the script below:
Parameters:
GridSpacing: 0.4
PointsIncludeRegions: sphere at (5.912, 2.767, 17.236), radius = 14.0
SavePoints: True
PDBFileName: protein-final.pdb
DistanceCutoff: 1.09
ConvexHullExclusion: True
ContiguousPocketSeedRegions: sphere at (5.912, 2.767, 17.236), radius = 4.0
ContiguousPointsCriteria: 3
NumProcessors: 4
UseDiskNotMemory: False
OutputFilenamePrefix: pov04/POVME_
SaveIndividualPocketVolumes: True
SavePocketVolumesTrajectory: False
OutputEqualNumPointsPerFrame: False
SaveTabbedVolumeFile: True
SaveVolumetricDensityMap: False
CompressOutput: False - July 29, 2023 at 7:06 pm #158777Jacob DurrantKeymaster
Thanks for reaching out about the issue you're experiencing with POVME. Based on the error message you provided, it seems POVME is encountering a memory allocation error due to the combination of small grid spacings and large radii. I recommend increasing the grid spacing to ensure POVME does not exceed the available memory on your machine. Best of luck with your project.
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